Question:
The number of neutrons and electrons, respectively, present in the radioactive isotope of hydrogen is :-
Correct Option: , 3
Solution:
Radioactive isotope of hydrogen is Tritium $\left({ }_{1}^{3} \mathrm{~T}\right)$
No. of neutrons $(\mathrm{A}-\mathrm{Z})=3-1=2$
No. of electrons $=1$